472264489 has 2 divisors, whose sum is σ = 472264490. Its totient is φ = 472264488.

The previous prime is 472264487. The next prime is 472264493. The reversal of 472264489 is 984462274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349054489 + 123210000 = 18683^2 + 11100^2 .

It is a cyclic number.

It is not a de Polignac number, because 472264489 - 2¹ = 472264487 is a prime.

It is a super-2 number, since 2×472264489² = 446067495140862242, which contains 22 as substring.

Together with 472264487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (472264487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236132244 + 236132245.

It is an arithmetic number, because the mean of its divisors is an integer number (236132245).

Almost surely, 2^472264489 is an apocalyptic number.

It is an amenable number.

472264489 is a deficient number, since it is larger than the sum of its proper divisors (1).

472264489 is an equidigital number, since it uses as much as digits as its factorization.

472264489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 46.

The square root of 472264489 is about 21731.6471764107. The cubic root of 472264489 is about 778.7446874774.

It can be divided in two parts, 47226 and 4489, that added together give a palindrome (51715).

The spelling of 472264489 in words is "four hundred seventy-two million, two hundred sixty-four thousand, four hundred eighty-nine".